Search a number
-
+
42064180 = 22513915131
BaseRepresentation
bin1010000001110…
…1100100110100
32221011002012121
42200131210310
541232023210
64101325324
71020353044
oct240354464
987132177
1042064180
1121820494
1212106844
13893a262
14582d724
153a5d6da
hex281d934

42064180 has 24 divisors (see below), whose sum is σ = 88976160. Its totient is φ = 16703520.

The previous prime is 42064129. The next prime is 42064213. The reversal of 42064180 is 8146024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4786 + ... + 10345.

It is an arithmetic number, because the mean of its divisors is an integer number (3707340).

Almost surely, 242064180 is an apocalyptic number.

It is an amenable number.

42064180 is an abundant number, since it is smaller than the sum of its proper divisors (46911980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42064180 is a wasteful number, since it uses less digits than its factorization.

42064180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15279 (or 15277 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 42064180 is about 6485.6904027251. The cubic root of 42064180 is about 347.7796310374.

The spelling of 42064180 in words is "forty-two million, sixty-four thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 139 278 556 695 1390 2780 15131 30262 60524 75655 151310 302620 2103209 4206418 8412836 10516045 21032090 42064180